Finding the Fourth Proportional to 1,257,416.61, 1,735,276.83 and 706,229.44
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Solution
The fourth proportional to 1,257,416.61, 1,735,276.83 and 706,229.44 is: 974,620.17
Step by Step Solution
- Step 1: Write the proportion equation
1,257,416.61 : 1,735,276.83 = 706,229.44 : x - Step 2: Convert to fraction form
1,257,416.61/1,735,276.83 = 706,229.44/x - Step 3: Cross multiply
1,257,416.61x = 1,735,276.83 × 706,229.44 - Step 4: Simplify right side
1,257,416.61x = 1,225,503,582,130.30 - Step 5: Solve for x
x = 1,225,503,582,130.30/1,257,416.61 - Step 6: Final answer
x = 974,620.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.